/*
 * Copyright 2019 The FATE Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.webank.ai.fate.serving.common.async;

import com.lmax.disruptor.EventHandler;

public class ClearingEventHandler<T> implements EventHandler<AsyncMessageEvent<T>> {
    @Override
    public void onEvent(AsyncMessageEvent<T> event, long sequence, boolean endOfBatch) throws Exception {
        // Failing to call clear here will result in the
        // object associated with the event to live until
        // it is overwritten once the ring buffer has wrapped
        // around to the beginning.
        event.clear();
    }
}
